Talking machine



D. J. HOOD; TIALKING MACHINE- APPLICATION FILED APR. 24, 1919.

Patented July 11, 1922.

ore-ice,

DELAWARE J. E001), 0F PHILADELPHIA, PENNSYLVANIA.

rename necn nn.

enclosure therefor, so adapted one to the other as to enhance the beauty of the whole, reduce the required floor space, and at the same time provide an amplifier of relatively large area.

My invention comprises a talking machine all the parts of which, including the motor, sound record table, sound arm and amplifier, are mounted on the rear of a' door which may constitute the front of an enclosure, The enclosure may be portable, but I prefer to build it permanently into'a room, the amplifier being arranged vertically above the record table and opening through the upper part of the door itself, thereby directing the sound into the upper portion of the room' A preferred embodiment of my invention is shown in the accompanying drawings, wherein Fig. 1 is a front view of my inventlon; Fig. 2 is a sectional view; Fig.3 is a detached front view of the sound amplifier; Fig. 4 is a detail sectional view through a portion of the door and the portion of the amplifier adjacent thereto; and Fig. 5 is a detailview of the adjustable sound box.

The door a designates a vertically disposed support which may be in the form of a door and arranged to swing onhmges. It maybe utilized as the front of any enclosure, such as a tall, shallow closet built mto or against the wall of a room. Mounted on a bracket 12, secured to the inside of the door, is a casing 0 containing the motor, wh1ch drives a rotary table d, on whlch a sound record disc is adapted to be placed in the usual manner.

Secured to the inside of the upper ortion of the door is a sound amplifier. T e amplifier preferably consists of a shell e of wood provided with two passages f, 7", formed in opposite halves of the shell, each passage gradually increasing in width and depth from its lower to its upper end. The

Specification of Letters Iatent.

Application filed A ril at, 1919.

Patented July Ill, 1922.

Serial I30. 292,430.

wide outlet mouths of the two passages are separated by a thin partition 9; the sound waves being diverted outwardly through any suitable opening in the door, as through an ornamental grill it.

Projecting rearward from the lower end of the amplifier is a sound tube 5 which com-- municates with the lowerend of the amplifier. Slidable telescopicall on the sound tube i is the upper inturne end of a sound arm is, which is thence curved successively inward and downward, projecting toward the sound record table in an inclined direction. A sound box m is sleeved on the sound arm.

the reception of a key for winding the motor.

Normally the door will he closed, and indeed, if desired, the door may be fixed in closed position, access being had to the machine through the opening n. ll refer, however, that the door shall be capable of opening like any other door, the entire mechanism of the talking machine being, however, in any event, supported on the door instead of by a cabinet independently of the door.

' In operation, the sound will be transmitted through the sound box m, the sound arm k, the sound tube "a" and the amplifier e, the general direction of the sound being upward and thence outward through the'upper part of the door and into the upper part of the room, whence it is reflected downward and properly distributed.

The motion of the sound arm and sound box across the record is in a strai ht line instead of in the arc of a circle, t ereby enabling the stylus, as it follows the spiral of the groove, to move in the same path which the engraving stylus follows in the production of the original record. This insures a cleaner and more accurate reproduction. By this movement, also, I am enabled, by positioning the sound box so that the flylus is in line with the part of the sound arm adjacent thereto, to merely turn the sound box through an arc of 90 degrees and thereby, without any other adjustment, position the sound box to. properly cooperate either with a record groove having undulations in its base or with a record groove havin undulations in its side walls.

aving now fully described my invention, what I claim and desire to protect by Letters Patent is:

A talking machine comprising a vertically disposed hinged support adapted to form a closure for a chamber, a motor casing supported on the rear side of the support, a rotary record table above the casing adapted to rotate about a vertical axis, an amplifier mounted on the rear side of the support ,to move all of the parts out of the chamben.

In testimony of which invention, I have hereunto set my hand, at Philadelphia, Pa, on this 29th day of March, 1919.

. DELAWARE J. HOOD. 

